Files
ziti/controller/handler_ctrl/update_terminator.go
T
Paul Lorenz e21d41df05 Notify controller of invalid destinations in routes.
Allow xgress and links to be destinguished by ID suffix
If a link destination is missing, send a link fault
Add forget-link router debug agent op to allow testing invalid
destinations
2022-04-26 22:16:58 -04:00

102 lines
3.1 KiB
Go

/*
Copyright NetFoundry, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package handler_ctrl
import (
"fmt"
"github.com/golang/protobuf/proto"
"github.com/openziti/channel"
"github.com/openziti/fabric/controller/db"
"github.com/openziti/fabric/controller/network"
"github.com/openziti/fabric/controller/xt"
"github.com/openziti/fabric/handler_common"
"github.com/openziti/fabric/pb/ctrl_pb"
"github.com/openziti/storage/boltz"
log "github.com/sirupsen/logrus"
"math"
)
type updateTerminatorHandler struct {
network *network.Network
}
func newUpdateTerminatorHandler(network *network.Network) *updateTerminatorHandler {
return &updateTerminatorHandler{network: network}
}
func (h *updateTerminatorHandler) ContentType() int32 {
return int32(ctrl_pb.ContentType_UpdateTerminatorRequestType)
}
func (h *updateTerminatorHandler) HandleReceive(msg *channel.Message, ch channel.Channel) {
request := &ctrl_pb.UpdateTerminatorRequest{}
if err := proto.Unmarshal(msg.Body, request); err != nil {
log.WithError(err).Error("failed to unmarshal update terminator message")
return
}
go h.handleUpdateTerminator(msg, ch, request)
}
func (h *updateTerminatorHandler) handleUpdateTerminator(msg *channel.Message, ch channel.Channel, request *ctrl_pb.UpdateTerminatorRequest) {
terminator, err := h.network.Terminators.Read(request.TerminatorId)
if err != nil {
handler_common.SendFailure(msg, ch, err.Error())
return
}
if !request.UpdateCost && !request.UpdatePrecedence {
// nothing to do
handler_common.SendSuccess(msg, ch, "")
return
}
checker := boltz.MapFieldChecker{}
if request.UpdateCost {
if request.Cost > math.MaxUint16 {
handler_common.SendFailure(msg, ch, fmt.Sprintf("invalid static cost %v. Must be less than %v", request.Cost, math.MaxUint16))
return
}
terminator.Cost = uint16(request.Cost)
checker[db.FieldTerminatorCost] = struct{}{}
}
if request.UpdatePrecedence {
if request.UpdatePrecedence {
if request.Precedence == ctrl_pb.TerminatorPrecedence_Default {
terminator.Precedence = xt.Precedences.Default
} else if request.Precedence == ctrl_pb.TerminatorPrecedence_Required {
terminator.Precedence = xt.Precedences.Required
} else if request.Precedence == ctrl_pb.TerminatorPrecedence_Failed {
terminator.Precedence = xt.Precedences.Failed
} else {
handler_common.SendFailure(msg, ch, fmt.Sprintf("invalid precedence: %v", request.Precedence))
return
}
}
checker[db.FieldTerminatorPrecedence] = struct{}{}
}
if err := h.network.Terminators.Patch(terminator, checker); err != nil {
handler_common.SendFailure(msg, ch, err.Error())
return
}
handler_common.SendSuccess(msg, ch, "")
}